Issue 16, 2010
From the journal:

Chemical Communications

Nanoceria exhibit redox state-dependent catalase mimetic activity†

Talib Pirmohamed,*a   Janet M. Dowding,a   Sanjay Singh,a   Brian Wasserman,‡a   Eric Heckert,a   Ajay S. Karakoti,b   Jessica E. S. King,‡b   Sudipta Sealb  and  William T. Selfa  

* Corresponding authors

a Burnett School of Biomedical Science, 4000 Central Florida Blvd., Bldg. 20 Room 124, Orlando, Florida, USA
E-mail: wself@mail.ucf.edu
Fax: +1 407-823-0956
Tel: +1 407-823-4262

b Mechanical Materials and Aerospace Engineering, Nanoscience and Technology Center and Advanced Materials Processing and Analysis Center, University of Central Florida, 4000 Central Florida Blvd, Orlando, Florida, USA

Abstract

In this study we have found that cerium oxide nanoparticles exhibit catalase mimetic activity. Surprisingly, the catalase mimetic activity correlates with a reduced level of cerium in the +3 state, in contrast to the relationship between surface charge and superoxide scavenging properties.

Graphical abstract: Nanoceria exhibit redox state-dependent catalase mimetic activity

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Article information

DOI
https://doi.org/10.1039/B922024K
Article type
Communication
Submitted
22 10月 2009
Accepted
25 2月 2010
First published
11 3月 2010

Chem. Commun., 2010,46, 2736-2738

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Nanoceria exhibit redox state-dependent catalase mimetic activity

T. Pirmohamed, J. M. Dowding, S. Singh, B. Wasserman, E. Heckert, A. S. Karakoti, J. E. S. King, S. Seal and W. T. Self, Chem. Commun., 2010, 46, 2736 DOI: 10.1039/B922024K

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